Некорректно работает функция Delete - C++ - Ответ 10578743

#include <iostream>
#include <string> 
#include <vector>
#include <fstream>
#include <sstream>
#include "stdlib.h"
 
using namespace std;
const char* filename="CountryInfo.txt";
//const char end_of_tag = ';';
//const char end_of_struct = '^';
 
 
struct CountryInfo
{
    string Name;
    string Capital;
    string Language;
    int Population;
    
};
 
bool badValue(CountryInfo &tmp, string name)
{
    return tmp.Name == name;
} 
 
void Add (vector<CountryInfo> &theCountry)
{    
    CountryInfo *tmp = new CountryInfo;
 
    cout << "Numb " << theCountry.size()<< endl;
    cout << "Enter Coutry: ";
    getline(cin ,tmp->Name);
    cout << "Enter Capital: ";
    getline(cin, tmp->Capital);
    cout << "Enter Official Language: ";
    getline(cin, tmp->Language);
    cout << "Enter Population:  ";
    cin >> tmp->Population;
 
    cout << "\n";
    cin.ignore();
 
    theCountry.push_back( *tmp );
 
    delete tmp;
}
void Display(vector<CountryInfo> &theCountry)
{
    if (theCountry.empty())
    {
        cout << "Not found!!!" << endl;
        return;
    }
    vector<CountryInfo>::iterator itr;
 
    for ( itr = theCountry.begin(); itr != theCountry.end(); itr++)
    {
        cout << "Country ";
        cout << (*itr).Name << endl;
        cout << "Capital ";
        cout << (*itr).Capital << endl;
        cout << "Official Language: ";
        cout << (*itr).Language << endl;
        cout << "Population ";
        cout << (*itr).Population << endl;
        
        cout << "\n";
    }
}
void Delete(vector<CountryInfo> &theCountry, string name)
{
    if (theCountry.empty())
    {
        cout << "Not Found!!!" << endl;
        return;
    }
    vector<CountryInfo>::iterator itr;
    cout << "Enter name" << endl;
    cin >>name;
 
    for (itr = theCountry.begin(); itr != theCountry.end();)
    {
        if (badValue(*itr, name)) theCountry.erase(itr++);
        else ++itr;
    }
}
void Write(fstream &file, vector<CountryInfo> &theCountry)
{
    if (!file || theCountry.empty())
        return;
 
    vector<CountryInfo>::iterator itr;
 
    for (itr = theCountry.begin(); itr != theCountry.end(); itr++)
    {
        file << (*itr).Name << endl;
        file << (*itr).Capital << endl;
        file << (*itr).Language << endl;
        file << (*itr).Population << endl<<endl;
    }
}
 
void Read(fstream &file, vector<CountryInfo> &theCountry)
{
    if ( !file )
        return;
 
    CountryInfo *tmp = new CountryInfo;
 
    while ( !file.eof() )
    {       
        file >> tmp->Name;
        file >> tmp->Capital;
        file >> tmp->Language;
        file >> tmp->Population;
 
        theCountry.push_back(*tmp);
    }
 
    delete tmp;
}
 
 
 
int main()
{
    vector<CountryInfo> theCountry;
    string tmpName;
    fstream my_file(filename, ios_base::in);
    int n=0;
    
    cout << "What you want to do with this file?"<< endl;
    cout << "Enter 1 - Add\t 2 - Delete\t 3 - Show All: ";
    cin >> n;
    cin.ignore();
    if (n==1)
    {
        fstream my_file1(filename, ios_base::app);
        Add(theCountry);
        Write(my_file1, theCountry);
        my_file1.close();       
    }   
    if (n==2)
    {
        fstream my_file(filename, ios_base::in);
        Read(my_file, theCountry);
        fstream my_file1(filename, ios_base::out);
        Delete(theCountry, tmpName);        
        Write(my_file1, theCountry);
        my_file1.close();
        
    }
    if (n==3)
    {
        Read(my_file, theCountry);
        Display(theCountry);
        my_file.close();
    }
     
       
    return 0;
    
}